The process includes hydrochloric acid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin, and adsorption separation.

该工艺包括粗色素油的提取，虾青素酯的水解和虾青素粗品的纯化。

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When weak basic anion exchange resin is applied in water treatment, its main performance index operating exchange capacity is mainly affected by the residual ion exchange capacity in exhausted bed.

弱碱性阴离子交换树脂用于水处理时，其主要性能指标———工作交换容量，主要取决于失效树脂层中残余交换容量的大小。

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